ISO 14067 is the leading international standard for quantifying and reporting the carbon footprint of products. As supply chain transparency becomes a critical requirement across industries, organisations are increasingly relying on ISO 14067 to ensure their product carbon footprints are accurate, credible and comparable. The standard provides a consistent methodology for calculating greenhouse gas emissions across the full life cycle of a product, helping organisations meet customer expectations, regulatory requirements and internal decarbonisation goals.
A product carbon footprint built on ISO 14067 is far more than a technical exercise. It is a foundation for procurement decisions, design improvements, environmental product declarations and long-term emissions reduction strategies.
What ISO 14067 Covers
ISO 14067 sets the rules for how to quantify a product’s carbon footprint using established Life Cycle Assessment (LCA) principles. The standard builds directly on ISO 14040 and ISO 14044, which define the broader LCA methodology. ISO 14067 then applies these principles specifically to greenhouse gas emissions.
It provides clear guidance on:
- Establishing functional units and system boundaries
- Selecting the appropriate life cycle stages
- Collecting and evaluating data
- Allocating emissions between co-products or shared processes
- Handling uncertainties, data gaps and secondary datasets
- Reporting results transparently and consistently
By following ISO 14067, organisations can produce product carbon footprints that are structured, verifiable and suitable for external use.
Why ISO 14067 Matters
More organisations are adopting ISO 14067 because product-level carbon data now plays a major role in supply chain selection, customer decision-making and regulatory compliance.
1. Rising demand for transparency
Customers expect detailed, credible carbon information. ISO 14067 provides a trusted framework that enables organisations to share product-level data without risk of greenwashing.
2. Support for Environmental Product Declarations (EPDs)
Many industries—particularly construction, building materials, manufacturing and engineering—require EPDs aligned with EN 15804. ISO 14067 underpins the carbon footprint section of these declarations.
3. Alignment with decarbonisation strategies
A well-structured product carbon footprint helps identify emissions hotspots, enabling organisations to target reduction initiatives where they are most effective.
4. Regulatory readiness
Policies such as the EU’s Carbon Border Adjustment Mechanism (CBAM) are pushing companies towards more granular carbon data. ISO 14067 provides the methodological foundation needed to comply.
5. Market differentiation
Organisations with verified, ISO-aligned product footprints can compete more effectively in tenders and supply chain assessments.
ISO 14067 strengthens credibility and reduces risks associated with inconsistent or unsupported carbon claims.
Key Principles of ISO 14067
The strength of ISO 14067 lies in its strict adherence to the core principles of life cycle assessment. These principles ensure that product carbon footprints are not only technically robust but also comparable across markets.
1. Goal and scope definition
The standard requires organisations to define:
- the intended application of the carbon footprint
- the product’s functional unit
- the system boundaries (cradle-to-gate, cradle-to-grave, etc.)
- allocation methods
- the rules for data collection and calculation
This clarity ensures transparency and consistency.
2. Life cycle inventory analysis
Emissions are quantified through detailed data collection, including:
- energy consumption
- raw materials
- manufacturing processes
- transport and distribution
- packaging
- use-phase emissions (if applicable)
- end-of-life treatments
The quality and relevance of data must be assessed carefully.
3. Life cycle impact assessment
ISO 14067 converts inventory data into a carbon footprint expressed as CO₂e using recognised emission factors. The standard outlines how to treat biogenic carbon, land-use change emissions and other complex factors.
4. Interpretation
Organisations must analyse results, assess assumptions and confirm that the conclusions are supported by the evidence. This ensures the footprint is both accurate and meaningful.
Data Requirements Under ISO 14067
One of the most demanding aspects of ISO 14067 is the level of data quality required. The standard expects organisations to use:
- Primary data for processes under direct control
- Reliable secondary data for upstream or downstream processes
- Emission factors from reputable sources
- Transparent documentation of assumptions, exclusions and limitations
This combination ensures that the footprint can withstand external scrutiny, whether through a supplier audit, client review or independent verification.
Handling Allocation and Complex Product Systems
Many organisations produce multiple products from shared processes. ISO 14067 provides methods for allocation, such as:
- system expansion
- physical relationships
- economic allocation
These rules help ensure emissions are distributed fairly across products without distorting results. Getting allocation wrong is a common cause of inaccurate PCFs, so ISO 14067’s guidance is essential.
Reporting Requirements
The standard requires organisations to report their results in a structured, transparent and consistent format. Reports must include:
- methodology, boundaries and functional unit
- data sources and quality assessments
- assumptions, exclusions and uncertainties
- the final carbon footprint results
- interpretation and conclusions
This level of transparency is increasingly expected by buyers, regulators and industry bodies.
Verification and Credibility
While ISO 14067 does not mandate verification, independent third-party verification is strongly recommended. Verified PCFs carry greater weight in:
- procurement processes
- Environmental Product Declarations
- supply chain reporting
- compliance audits
- investor and stakeholder disclosures
Verification checks ensure that the methodology follows ISO rules and that the results are credible.
Common Challenges When Applying ISO 14067
Many organisations face similar challenges when producing ISO-aligned product carbon footprints:
- limited supplier data
- inconsistent or incomplete historical records
- uncertainty around allocation methods
- complex products with many inputs
- varying global data quality
- a lack of internal systems to track product-level emissions
These challenges highlight the importance of robust methodology, careful documentation and specialist expertise.
How Organisations Use ISO 14067 in Practice
Once developed, ISO-aligned product carbon footprints support multiple strategic activities:
- informing low-carbon design decisions
- selecting suppliers based on emissions performance
- developing Environmental Product Declarations
- meeting customer reporting requirements
- identifying emissions hotspots
- supporting claims that avoid greenwashing risks
- preparing for policies like CBAM
- strengthening sustainability credentials in tenders
As markets continue to reward transparency, ISO-aligned PCFs are quickly becoming a commercial necessity.
How We Support Organisations With ISO 14067
We help organisations produce ISO 14067-aligned product carbon footprints that are technically robust, defensible and suitable for external use. Our support includes:
- defining system boundaries and methodological approaches
- gathering and validating high-quality data
- developing full life cycle models
- producing clear and transparent carbon footprint reports
- preparing PCFs for third-party verification
- supporting supplier engagement and upstream data improvement
- integrating PCF findings into wider carbon reduction strategies
Our carbon management approach ensures the final footprint is accurate, transparent and aligned with the expectations of clients, verifiers and regulators.
